Difference between revisions of "Btrfs"

added warning out of space
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If you need to roll back into a snapshot you have to replace the actual subvolume by the chosen snapshot.
If you need to roll back into a snapshot you have to replace the actual subvolume by the chosen snapshot.
* Make a snapshot of the actual subvolume (for later reference)
# '''Make a snapshot''' of the actual subvolume (for later reference)
* Move the subvolume out of its actual place
# '''Delete the subvolume''' out of its actual place
* Create a new subvolume from the snapshot chosen for roll back
# '''Create a new subvolume''' out of the snapshot chosen for rollback
* Make the new subvolume the default
# Make this new subvolume the default (optional)
# '''Don't forget''' to remove the snapshot you made in a few days


{{BoxWarning|Don't forget to remove snapshots '''before you run out of space'''|After taking a snapshot you only use the "rest of the volume" for storing everything you change. At some point in time you have to release the snapshot. Don´t use your space up. Btrfs needs '''space to breath.''' Don't use more then 90% or you will get into trouble."}}
{{BoxWarning|Don't forget to remove snapshots before you run out of space|Every time you take a snapshot you only use the "rest of the volume" for storing everything you change from this time on. At some point in time you have to release the snapshot. Don´t use your space up. Btrfs needs '''space to breath.''' Don't use more then 90% or you will get into trouble."}}


{{BoxDanger|NO Snapshots together with quotas|There are reports about massive problems when using '''quotas''' together with snapshots (snapper, timeshift)}}
{{BoxDanger|NO Snapshots together with quotas|There are reports about massive problems when using '''quotas''' together with snapshots (snapper, timeshift)}}
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